Classifications

• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01D—HARVESTING; MOWING
  • A01D17/00—Digging machines with sieving and conveying mechanisms
  • A01D17/10—Digging machines with sieving and conveying mechanisms with smooth conveyor belts, lath bands or rake bands
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01D—HARVESTING; MOWING
  • A01D17/00—Digging machines with sieving and conveying mechanisms
  • A01D17/10—Digging machines with sieving and conveying mechanisms with smooth conveyor belts, lath bands or rake bands
  • A01D17/101—Digging machines with sieving and conveying mechanisms with smooth conveyor belts, lath bands or rake bands with two superposed conveyor belts
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01D—HARVESTING; MOWING
  • A01D33/00—Accessories for digging harvesters
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01D—HARVESTING; MOWING
  • A01D33/00—Accessories for digging harvesters
  • A01D33/08—Special sorting and cleaning mechanisms

Definitions

• the invention relates to a root crop harvester in the form of a potato harvester according to the preamble of claim 1.
• Potato harvesters have long been used in the form of so-called combine harvesters, with self-propelled and trailed implementers of combine harvesters known.
• a mixture of crop and clods taken up by a lifting device from the field is passed over several sieve conveyor belts of an upper stone separating device.
• a finger belt or rotating brushes a forwarding of the crop to a picking tape is controlled.
• this has respective stripping elements in the form of driving fingers or hedgehog contours.
• at least two of these scraper systems are arranged one behind the other in the conveying direction of the feed belt, so that the scraper elements form two uniformly adjacent scrape planes which successively act on the feed mixture on the feed belt.
• a multi-phase transverse displacement of parts of the crop is possible in the sorting zone, and this can reach the sorting belt correspondingly free of embedding.
• the two stripper belts are adjustable in their speed. Due to the design, however, only the common adjustment of both stripping bands is possible, so that at rapidly changing, different harvesting conditions, the proportion of undesired reaching the sorting belt admixtures can be disadvantageously high.
• a corresponding embodiment of the separating device is also provided in the generic design of the potato harvester according to DE 10 2007 034 446 A1.
• the invention is concerned with the problem of providing a potato harvester working with screen belts, in the sorting zone of which by means of an improved separating device an optimum setting of changing sorting parameters is possible is, so that it can better respond to different crop conditions and soil-dependent changing mixture structures.
• the respective stripping elements of the circulating stripping bands can assume different access positions above the feed belt.
• the system forming respective horizontal stripping planes in a working gap between the stripping bands can be adjusted such that different stripping and entraining movements are imparted to the mixture of tubers, stones and clods introduced underneath with the circulating feed belt.
• the stripping elements - based on respective variable pressure angles and / or engagement depths - advantageously act on the crop so that defined delivery pulses are imparted thereto, the transversely directed removal from the mixture takes place to the secondary sorting belt and the admixtures are passed on largely uninfluenced.
• a different adjustable height position of the stripping above the feed belt for a graded sorting of large and less large tubers of the crop can already be used - at the same time remain the smaller, heavy clods and stones on the circulating conveyor belt and are discharged laterally with this to a direction.
• a "wedge-shaped" working gap forming alignment of Abstreifebenen the two pairs of stripping - by their position change in relation to the "horizontal" feed plane - can also cause the smaller and harder structures of clods or stones on the feed belt are pressed and these parts are forwarded in the particular offset by 90 ° to the stripping direction to a waste conveyor o.
• the adjustable system of the two stripping bands allows further different adjustment variants, the stripping elements of the respective stripping band can be positioned individually or in pairs both in varying height distances and angular positions to the feeding belt of the sorting zone and thereby varying Abstreifebenen in these bands Crossover structure are constructed.
• stripping bands can also have a common support connection, in the area of which a simultaneous adjustment or adjustment of the stripping planes formed by the stripping elements is then possible.
• a preferred embodiment of the construction in the region of the common support device provides that the respective stripping planes of the two stripping bands can be adjusted in the transverse direction to variable tilt angles. It follows that the stripping elements present on the stripping bands are "moved" in the form of fingers or bristles when the tilting angle of the stripping band changes. Thus, the above-described conditions of conveyance and takeover in the area of the working gap between the feed belt and stripper belts can be changed comparatively easily and the stripping conditions can be adapted quickly to changing flow rates.
• these are preferably provided with two rows of circumferential stripping elements.
• these two rows of finger structures are displaced together when the respective stripper belt is adjusted.
• the optimal structure may also depend, in particular, on the available installation space, so that the optional embodiment of, for example, servomotors or actuating cylinders with corresponding actuators is conceivable.
• the stripping bands each have at least one motorized actuator with actuator in the region of the "two-part" carrying device.
• the optional height adjustment or a change of the tilting position on the two stripping bands is made possible by means of individually introducable positioning movements.
• the two stripping bands are each held in a lateral support plates having frame.
• a hydraulic motor o In the area of each at least one actuator in the form of a hydraulic motor o. The like. Is provided. This allows a lifting cylinder o. The like. Actuator to move a corresponding adjusting mechanism so that the two independent settings of the two stripping bands are vorappelbar.
• An advantageous embodiment of this support structure provides that the two stripping bands cooperate in the region of the central support connection via a common pivot joint. By a swivel influencing this shift, the two stripping bands can be moved simultaneously in a respective opposite or the same direction running tilting position.
• a return mechanism for example with a return spring, advantageously provided in the region of this rotary joint, so that a largely automatic return displacement of the two stripping bands in the starting position parallel to the feed belt is possible.
• the overall concept of the new separating device provides that it can be supported in the area of the two stripper belts with only three support connections to the machine frame. It is provided that in particular in the range of three actuators a three-point support is constructed by means of respective holding parts. This is an advantageous stable and torsionally rigid determination of the separation device in the machine frame achieved.
• the object stated at the outset is furthermore achieved by an article according to claim 13 in view of an optimal utilization of the sorting belt with regard to a mixture structure which varies optimally for all sorting parameters and different harvesting conditions as well as soil-dependent.
• Advantageous embodiments of this subject matter may be taken in combination with the features of the further above or below described embodiments according to the invention as well as the claims referred back to claim 13 and as claimed in claim 13 in relation.
• a root crop harvester is designed as a potato harvester, which is provided with a Rodevorraum from which one of both the crop and clods, herb u.
• Admixtures exhibiting mixture in the region of subordinate Siebb stands is displaced, while the resting on one of the Zu2020b selected mixture enters a sorting zone and sorted in this sorting by means of a arranged above the feed belt and acting transversely to the feed direction on the mixture separating device of the root crop the crop in such a way that two scraper belts running in the same direction in a stripping direction grasp the crop by means of respective scraper elements, feed this into two adjacent scraper planes to a downstream sorting belt and thereby leave admixtures remaining as remainder on the conveyor belt in a direction offset by 90 ° relative to the stripping direction Direction are derived, is further designed such that at least one of the two stripping bands in the conveying direction before its end deflection has a Aus detailabexcellent in which this Abstre ifband viewed transverse
• the slope of the stripping bands in the respective Aus detailabites results from the angle between the contour or optionally curved contour of a tangent to the contour of the tension member of the stripper in the Ausforceabites and Abstreifebenen, viewed in a side view transverse to the conveying direction or stripping of the respective stripping band.
• Sectionally out of round means that in a side view, i. viewed in the direction transverse and in particular 90 ° to the conveying direction the Abstreifband has a raised or rising course of the lower strand, which is not circular arc-shaped and even before the actual deflection of the respective wiper strip for a gentle and speed-regulated particular transfer of root crops, especially the potatoes , ensures the sorting belt.
• "out of round” does not refer to a shape that is closed over 360 °.
• the stripping elements are stripping fingers which, viewed in the stripping direction, can lie behind one another and / or offset relative to one another on a belt and / or on transverse struts of the stripping band. Due to the deflection of the scraper belt at its end, the scraper blades in the prior art experience an acceleration, in particular at their outermost ends which are in contact with the root crops.
• the root crop harvester is generally designed as a potato harvesting machine with a lifting device and additionally has downstream screen belts and feed belts, which bring the mixture in a sorting zone into the area of a separating device of the groundwood filter via a feed direction.
• the separating device has transversely to the feed direction, i. at an angle between 80 ° and 145 ° and thus obliquely to right angles angled Abstreifb specified with respective stripping, which separate the incoming mixture such that are transferred to the downstream in stripping direction following sorting belt of the root crop the root crops substantially free of impurities.
• Admixtures remaining on the feed belt or on a belt present in the sorting zone can be diverted in a guide direction designed essentially parallel to the feed direction.
• the entire sorting area can thus be structurally simpler and, if necessary, narrower and, in particular, also be provided with feed and discharge sorting belts which make good use of the machine width.
• the stripper belts transfer the material further conveyed in the conveying direction, to be sorted de harvested by pulses applied transversely to the conveying direction targeted in the direction of the sorting belt while stones are less strongly striped by the Abstreif- bands to the side and by the further promotion in the conveying direction quickly in the end of the feed belt or any Eisenordinierter intermediate conveyor belt and from there to a Add admixtures discharging discharge conveyor.
• This is viewed in particular in the conveying direction still partially behind the feed belt and may also have the same conveying direction again. Due to the arrangement of feed belt and sorting belt and possibly existing intermediate conveyor belt with identical conveying direction directly next to each other, the crop can be transmitted by means of the stripping bands without dropping step on the sorting belt.
• the strips are arranged directly next to one another, in particular, if they are spaced apart by less than 5 cm, more preferably less than 3 cm, and furthermore preferably have no height offset greater than 3 cm.
• the distance of the stripping of the actual stripping of the stripper strip increases over the length of the Ausfactabitess the distance of the stripping of the actual stripping of the stripper strip to a maximum of 50%, preferably up to a maximum of 30% of the length of the stripping.
• a height of about 50% above the stripping level is an intervention in the possibly already existing on the sorting belt, already separated from admixtures such as clods or stones amount of root crops an intervention largely excluded.
• the vertical distance from the point of a respective wiping element pointing in the direction of the wiping level to the wiping level is regarded as the distance.
• the stripping level of a scraper belt corresponds to the plane passing through the lines drawn by the ends of the scraper elements acting in the mixture in the sorting zone, namely in the part of the scraper belt extending in a straight line above the mixture, in front of a possible discharge section.
• one or more further stripping planes then form, which are then considered correspondingly for the spacing of the correspondingly long stripping elements in the discharge zone.
• this stripping level also continues in the Aus detailabêt (un-curved) in the same direction.
• the length of the discharge section projected onto the stripping plane is approximately 5 to 10% of the length of the stripping belt considered in a plan view.
• the pitch of the Ausfactabitess can be separately adjusted according to an advantageous embodiment of the invention be.
• associated pulleys and adjusting means may be provided for example between frame parts of the stripper belt.
• the transfer of the root crops to the sorting belt is particularly gentle, especially when the sorting belt with at least one feed belt forms a conveying plane.
• a conveying plane in this case, for example, the hedgehog bands defined by their tip level is considered.
• At least one conveying plane is provided when the carriers or the respective root-crop-carrying support elements (for example the knobs or hedgehogs) of sorting belt and directly following conveyor belt are at least partially juxtaposed in a plane parallel to the conveying direction. Any existing intermediate conveyor belts are preferably at the same height.
• the sorting belt and subsequent Verlies- wolvesband are partially arranged with each other and root crops at least substantially in free fall, i. be handed over in sections contactless.
• An end roller of the respective bands interconnecting Studentsleitwalze without a free fall does not count in this sense as a case level.
• the lengths of the at least two stripping bands are made longer than the second scraper belt lying behind it.
• the largest of the root crops to be sorted over the longer stripping band are best conveyed to the outermost edge area of the sorting belt remote from the feed belt, while smaller potatoes or root crops are followed by a subsequent stripping belt or a subsequent row of sides closer to the feed side Sorting belt can be promoted.
• the mixture supplied is supplied on one side and not uniformly distributed over the feed belt.
• the stripper belts can be formed in or against their conveying direction individually or jointly and in particular also against each other longitudinally displaceable be.
• longitudinal actuators are provided which are arranged directly on the machine frame or another frame part, for example the separating device and as part of the carrying device.
• the stripping bands and in particular the support device are pivotable about a respective vertical axis to the angle between the stripping and feed direction with respect to different sorting parameters and / or To set tape speeds.
• the stripping bands can be designed to be pivotable about a respective or an identical vertical axis.
• a vertical axis is in this case in particular an axis perpendicular to the stripping plane.
• For pivoting swivel actuators are provided, which are articulated in particular on the support frame or on other parts of the support device and / or the machine frame and to which the stripping bands can simultaneously give away in parallel or different from each other.
• the stripping tapes with the feed belt at an angle between 80 ° and 145 °, so that transversely, a transfer and separation of the mixture in the direction of the sorting belt or a preferably parallel thereto Aus qualityers for admixtures takes place.
• the sorting zone between the feeding belt and the sorting belt can be enlarged by an intermediate conveyor belt which enlarges the sorting zone.
• This also forms a plane with feeding belt and sorting belt.
• Both feed belt and sort belt may be known hedgehog or rubber toppings.
• the conveying directions of feeding, intermediate conveying and sorting belts are preferably parallel at least in a plan view.
• the length of the stripping elements of a stripping band can be considered over its extent in both the transverse and in the transverse direction In the longitudinal direction be different, preferably with individual stripping the length is reduced to a maximum of about 30% of the length of the longest element, for example, in finger-like stripping a total length of 15 to 25 cm, a corresponding distribution of the effect on different sized root crops pulse to be separated root crops to own.
• the distance in the stripping direction of one behind the other stripping of a single Abstreifbandes or consecutively stripping bands is advantageously different in size and in particular when viewed in the feed direction rear stripping band smaller than the front in the feed direction scraper belt.
• the sorting of the root crops of the mixture to be processed by the device according to the invention is further improved if at least one further eccentrically arranged scraper element is arranged in the longitudinal direction of one of the stripping bands considered in its angled state between two outer stripping elements.
• this further scraper element is denser and further arranged in the direction of the first row of scraper elements, viewed from the feed direction, to produce a first strong input pulse in operation on the incoming one Add mixture and dissolve any clumps or accumulations remaining after a sieving stroke.
• FIG. 2 is an enlarged sectional view of a usable in the machine of FIG. 1 separating device according to the prior art
• FIG. 4 shows respective diagrams of the separating device according to FIG. 2 with the positioning possibilities according to the prior art
• FIG. Fig. 5 is a schematic diagram similar to FIG. 4 with the invention
• FIG. 6 is a schematic representation similar to FIG. 5 with the two stripping bands in a same-sense tilted position
• FIG. 7 is a schematic diagram similar to FIG. 6 with the stripping bands in a tilted outward direction in the same direction,
• FIG. 8 is a schematic diagram similar to FIG. 5 with a tilted stripper belt and a height-shifted stripper belt, FIG.
• FIG. 9 shows a structural design of the separating device according to the principle in Fig. 5,
• FIG. 10 is a front view of the separating device in installation position above the feed belt similar to FIG. 9, and
• FIG. 1 is a perspective view of the sorting zone with above the conveyor belt provided in an inclined position separating device
• Fig. 12 is a side view of part of another invention Contraption
• FIG. 13 shows the article according to FIG. 12 in a plan view
• FIG. 14 shows the object according to FIG. 13 in a further operating position
• FIG. 15 shows the object according to FIG. 14 in the view according to FIG. 12, FIG.
• FIG. 16 shows a view in the stripping direction of a part of an article according to the invention.
• Fig. 1 is a root crop in the form of a potato harvester 1 in a schematic representation - by a side view - illustrates.
• Such potato harvesters 1 have a front harvesting device 2, from which a mixture G (FIG. 2) containing both the crop E as well as clods, cabbage or the like can be displaced into the region of subordinate sieve belts 3 or the like ,
• the mixture G supplied to one of the feed belts 4 passes into a sorting zone Z (FIG. 2, concealed) in accordance with a feed direction 5.
• the crop E can be conveyed by means of an overfeed arranged band 4 and are sorted transversely to the feed direction 5 acting on the mixture G separating device 6.
• Each remaining as a remainder on the feed belt 4 admixtures B, in particular in the form of stones and clods are fed in a preferably offset by 90 ° to the stripping direction 7 guide 5 '(Fig. 6) a lateral discharge conveyor 15.
• the two stripping bands 8, 9 in this case have a common support structure T as the support device, so that starting from the one working gap AS forming position (FIG. 3) a common adjustment is possible such that in the lifting direction 16 a variation of the working gap AS is possible (FIG. Fig. 4).
• the inventive concept provides that the separating device 6, starting from the embodiment of the prior art shown in Fig. 2 to Fig. 4 - with simultaneously displaceable and height-adjustable stripping bands 8, 9 (arrow 16, Fig. 4) - now has a construction in which the two stripper belts 8 ', 9' are each individually adjustable in the region of at least one carrying device holding them in each case (FIGS. 5 to 8 - basic illustrations).
• the inventive concept with the individual adjustment of assemblies provides that the stripping elements 10, 10 'and 1 1, 1 1' of the respective stripping band 8 ', 9' by means of respective individually in the direction of arrow 16 'and 16 "acting actuator in a largely variable" vertical 5) can be displaced to the feed belt 4. It is likewise provided that the angular positions generally designated WA and WA 'can be varied by corresponding individual adjustments of the stripping belts 8', 9 '(FIG. This makes it clear that the two stripper belts 8 ', 9' towards the feed belt 4 - in the region of the sorting zone Z - can each have individually adjustable and steplessly varying positions.
• the stripping bands 8 ', 9' define a respective working gap AS with variable dimensions and / or contours (FIGS. 5 to 8) corresponding to their setting in the region of the sorting zone Z, so that the mixture G is subjected to different sorting loads. These are particularly adaptable to the field-specific harvest conditions. From the illustrations according to FIG. 6 and FIG. 7 it is clear that the respective stripping planes 12 ', 13' of the stripping bands 8 ', 9' in their respective transverse direction are adjustable to variable tilt angles corresponding to the arrows WA and WA '.
• the structural design of the setting connector is so executable that the stripping bands 8 ', 9' can each be swiveled in the same direction in or counterclockwise (Fig. 6, Fig. 7). It is also conceivable to realize an oppositely pivoting system (similar to FIG. 8, pivoting according to arrow WA ", stroke 16"').
• the two stripping bands 8 ', 9' each have two rows of circumferential stripping elements 10, 10 'and 1 1, 1 1', wherein these two rows at the respective settings of the working Slit AS (Fig. 5 to Fig. 8) are each to be displaced together. It is also conceivable an extension of the inventive concept, with variable versions of length and number of stripping elements and / or their respective individual adjustment is conceivable (not shown).
• the two stripping bands 8 ', 9' have a central support connection 19 for their simultaneous adjustment.
• the two support devices 17, 18 are connected in the region of a dividing plane TE.
• the two stripping bands 8 ', 9' each have a supporting frame as supporting device 17, 18 Side plates 20, 21 and 22, 23 is provided. It is provided that the adjacent side plates 21 and 22 form at least one support connection 19.
• This support structure can be completed by providing at least one support connection with actuator 24, 25, 26 on the two outer side plates 20 and 23.
• the two stripping bands 8 ', 9' in the region of the central support connection 19 can be performed at each setting movement and at the same time the above individual adjustments of the stripping bands 8 ', 9' by means of the outer actuators 24, 25, 26 optional are controllable.
• the stripping bands 8 ', 9' can cooperate in the region of the central support connection 19, in particular with a swivel joint 27.
• This swivel joint can be displaced in a stroke direction 28, represented in the embodiment according to the basic diagram in FIG. 7, so that the simultaneous displacement of the two stripping bands 8 ', 9' shown in FIG. 7 is achieved in the pivoting direction WA, WA '.
• For return movement into the initial position (FIG.
• a mechanism 29, not shown in greater detail can be provided in the region of the rotary joint 27, for example with a return spring. This is independent of the measures provided for Hubverlagerung 28 actuators and a largely automatic return displacement of the modules in the starting position conceivable.
• the lifting movement 28 is controlled in the region of the mechanism 29, whose arms 29 'and 29 ", which are connected crosswise in the swivel joint 27, can be connected to a control assembly BZ (FIG.) 10.
• the movement component is triggered in accordance with the stroke direction 28 by a pulling movement MZ a height adjustment according to arrow 28 ', 28 "(FIG. 7) in the region of the stationary support connectors 30, 31 controllable, so that the tilting positions of the two stripping bands 8', 9 'indicated with the pivoting directions WA, WA' are continuously accessible.
• FIG. 9 shows constructive details of a conceivable embodiment of the inventive system.
• the separating device 6 'can preferably be provided with only three support connections 29, 30, 31 in the region of the actuators 24, 25, 26. This provides an advantageous three-point support for not being formed machine frame of the harvester 1 out. This thus has a sufficiently torsionally rigid system in the sorting zone 7, so that with a relatively small number of actuator assemblies a rapid displacement of the sorting components is possible.
• FIG. 10 and FIG. 11 the system is shown similar to FIG. 9, wherein here the "crossing position" of feed belt 4 and stripping planes 12 ', 13' becomes clear.
• Fig. 1 1 shows an oblique plan view of the components, that the separating device 6 'in an acute angle inclined position (angle 32) is aligned over the feed belt 4. Also conceivable are further, not shown, variations of this mounting position of the separating device 6 '.
• a further solution according to the invention according to FIG. 12 discloses stripping bands 8 'and 9' whose stripping elements 10, 11 (as well as 10 'and 11', not shown) are only partially shown.
• the illustrated articles of the embodiments of the present invention, as well as those shown in the preceding and subsequent figures 5-11 and 13-16, are generally part of a potato harvester generally shown in FIG.
• both stripping bands 8 'and 9' initially extend parallel to the conveying plane F in the illustration according to FIG. 12.
• both stripping bands 8 'and 9' have discharge sections AB angled toward their respective ends in relation to the parallel course of the strip.
• the stripping band 8 'or stripping band 9' after an initial deflection provided with a constant pitch in such a way that the stripping elements 10, 1 1 are removed during operation gradually and continuously from the sorted, without it comes to a due to the deflection too strong impulse towards the side of the downstream sorting belt 14.
• the slope of the stripping bands in the respective discharge section results from the illustrated angle W between the contour of the tension element of the stripper belt 8 'or 9' and the stripping planes 12 ', 13', which in the present case coincide with the conveying plane 7.
• the angle W is less than 55 °.
• FIG. 12 Similar to the previous embodiments of the invention, the embodiment of FIG. 12 on stationary support connectors 30, which are attached, for example, to a machine frame, not shown.
• this support elements 41 slidable guide rods 42 are mounted in the direction of the double arrow 41, over which the stripping bands 8 'and 9' can be moved according to the direction indicated by the double arrow directions 41.
• the stripping bands 8 'and 9' are of different lengths, wherein the stripping band 8 with associated frame elements is arranged displaced parallel to the stripping band 9, that the respective stripping elements in a non-rectangular arrangement of the carrying device and the stripping tapes to the feed belt, the stripping elements 10, 10th ', 1 1 and 1 1' in the operation of the potato harvester according to the invention both start to act approximately at the height of the edge of the feed belt 4 (FIG. 13).
• FIG. 13 In addition, in combination with FIG.
• the distances and heights of the stripping elements 10, 10 ', 11, 11' are formed above the conveying plane, be it by the length of the different fingers or by the adjustability and inclined position of the respective stripping bands 7, 7 'that results in the sorting belt 14 shown fractionation.
• Arrows P1, P2, P3 and P4 show the corresponding sorting curves based on the particularly different sorting parameters comprising angular position WR and WR ', length and distance of the stripping elements 10, 10', 1 1, 1 1 'and positioning of the stripping bands 8' and 9 ' based on their longitudinal direction.
• the redirection of the root crops takes place at an angle of> 90 ° between the directions 5 and 7 or 7 ', so that the sorting zone Z can be formed extended.
• the sorting zone Z occupies a correspondingly large area, it may be advantageous to provide an additional intermediate conveyor belt 43, which may be formed as a conventional Hedgehog or Gumminoppenband and an analog conveying speed and direction to the feed belt to provide.
• the entire carrying device which carries the stripping bands 8 'and 9', can be extended, in a further exemplary embodiment (not shown), by an out of the plane of the figure of FIG. lowing pivot axis be formed.
• the stationary support connector 30 would preferably be fixed to a swing frame.
• a fixed to the at least partially stationary actuator 24 fixed longitudinal actuator 44 may cause a displacement of the stripping bands with associated support tubes 45 and 46 of the support device.
• the stripping bands 8 'and 9' can be moved from the working position shown in FIG. 13 into the further working position shown in FIG. 14 in order to take into account different harvesting conditions, changing size class distributions and other sorting parameters.
• the root crop harvester which may exceed a permissible road width in the working position shown in FIG. 13, can be reduced again to an allowable road width by positioning the separating device in the position shown in FIG.
• Both the intermediate conveyor belt 43 and the feed belt 4 and the sorting belt 14 have conveying directions parallel to one another. Moreover, viewed in a side view according to FIG. 15 as well as FIG. 12, it can be seen that these three bands form a common conveying plane F without falling steps.
• the sorting belt 14 the fractions are transferred to a slightly lower Verlesetischband 46 by means of a transfer roller 47.
• the crop is, however, not descending but obliquely carried away, so that there is also a fall-free displacement of the crop to the reading table.
• the sorting belt 14 could also be performed longer up to the reading table, not shown.
• a lateral discharge conveyor 15 is specifically provided for removal of cross-feed rollers 48 admissible admixtures B of the mixture G.
• rollers 48 are also shown in FIG. 16 in a view in the direction of the stripping directions 7 and 7 ', similar to FIGS. 5 to 7. While the stripper belt 8 'in the direction considered has only two adjacent rows of scraper elements 1 1 and 1 1', the stripper belt 9 'in the feed direction 5 is initially closely juxtaposed with a double row D, but offset from one another in the longitudinal direction of the conveyor belt 10 and a further row of stripping elements 10 'provided.
• the stripping elements 10 of a double row D are also of different lengths, in order to be able to act optimally on incoming admixtures B and crop constituents of the mixture G even at different heights.

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